1. Key Laboratory for Computational Astrophysics, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, China
2. School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, China
3. Department of Astronomy and Tsinghua Center for Astrophysics, Tsinghua University, Beijing 100084, China
4. Center of High Energy Physics, Peking University, Beijing 100871, China